LAN ports: 2 x port Combo: SFP (Base-X) / RJ45 (Base-T) 16 x RJ45 10/100 Base-T ( 16 x PoE (802.3af/at) ) ; Transmission speed: 10 / 100 Mbps - 16 LAN & PoE ports 10 / 100 / 1000 Mbps - 2 Uplink ports 1000 Mbps - 2 SFP ports ; Maximal total power: 230 W ;